1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 0caa3a2d4106..e8bbf403618f 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -145,11 +145,21 @@ struct tcp_sock {
  *      read the code and the spec side by side (and laugh ...)
  *      See RFC793 and RFC1122. The RFC writes these in capitals.
  */
+        u64     bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived
+                                 * sum(delta(rcv_nxt)), or how many bytes
+                                 * were acked.
+                                 */
         u32     rcv_nxt;        /* What we want to receive next         */
         u32     copied_seq;     /* Head of yet unread data              */
         u32     rcv_wup;        /* rcv_nxt on last window update sent   */
         u32     snd_nxt;        /* Next sequence we send                */
 
+        u64     bytes_acked;    /* RFC4898 tcpEStatsAppHCThruOctetsAcked
+                                 * sum(delta(snd_una)), or how many bytes
+                                 * were acked.
+                                 */
+        struct u64_stats_sync syncp; /* protects 64bit vars (cf tcp_get_info()) */
+
         u32     snd_una;        /* First byte we want an ack for        */
         u32     snd_sml;        /* Last byte of the most recently transmitted small packet */
         u32     rcv_tstamp;     /* timestamp of last received ACK (for keepalives) */